Finding the Third Proportional to 3,481,142.63 and 5,321,770.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,481,142.63 : 5,321,770.88 = 5,321,770.88 : x
2. Step 2: Convert to fraction form
   3,481,142.63/5,321,770.88 = 5,321,770.88/x
3. Step 3: Cross multiply
   3,481,142.63x = 5,321,770.88 × 5,321,770.88
4. Step 4: Simplify right side
   3,481,142.63x = 28,321,245,245,998.27
5. Step 5: Solve for x
   x = 28,321,245,245,998.27/3,481,142.63
6. Step 6: Final answer
   x = 8,135,617.61